Installing The Cylinder Head - Yamaha MT-09 2021 Service Manual

EAS30282

INSTALLING THE CYLINDER HEAD

1. Install:
• Timing chain guide (exhaust side) "1"
• Cylinder head gasket "2"
• Dowel pin "3"
3
2. Install:
• Cylinder head
• Cylinder head bolt (M6) (×4)
• Cylinder head bolt (M9) (×8)
TIP
• Pass the timing chain through the timing chain
cavity.
• Lubricate the cylinder head bolt (M9) thread
and mating surface with engine oil.
3. Tighten:
• Cylinder head bolt "1"–"8"
• Cylinder head bolt "9"–"12"
Cylinder head bolt "1"–"8"
1st: 20 N·m (2.0 kgf·m, 15 lb·ft)
2nd: 30 N·m (3.0 kgf·m, 22 lb·ft)
*3rd: 15 N·m (1.5 kgf·m, 11 lb·ft)
Specified angle 120°
Cylinder head bolt "9"–"12"
10 N·m (1.0 kgf·m, 7.4 lb·ft)
* Following the tightening order, loosen the
bolt one by one and then retighten it to the
specified torque and the specified angle.
TIP
Tighten the cylinder head bolts "1"–"8" in the
tightening sequence as shown and torque them
in 3 stages.
New
2 New
3
1
New
5-28
CYLINDER HEAD
2
8
12
10
5
3
4. Install:
• Exhaust camshaft
• Intake camshaft
Refer to "INSTALLING THE CAMSHAFTS"
on page 5-22.
4
6
9
11
7
1
4
8